| 1 | ÷ | 640 | = | 0.0015625 |
| 2 | ÷ | 640 | = | 0.003125 |
| 3 | ÷ | 640 | = | 0.0046875 |
| 4 | ÷ | 640 | = | 0.00625 |
| 5 | ÷ | 640 | = | 0.0078125 |
| 6 | ÷ | 640 | = | 0.009375 |
| 7 | ÷ | 640 | = | 0.0109375 |
| 8 | ÷ | 640 | = | 0.0125 |
| 9 | ÷ | 640 | = | 0.0140625 |
| 10 | ÷ | 640 | = | 0.015625 |
| 11 | ÷ | 640 | = | 0.0171875 |
| 12 | ÷ | 640 | = | 0.01875 |
| 13 | ÷ | 640 | = | 0.0203125 |
| 14 | ÷ | 640 | = | 0.021875 |
| 15 | ÷ | 640 | = | 0.0234375 |
| 16 | ÷ | 640 | = | 0.025 |
| 17 | ÷ | 640 | = | 0.0265625 |
| 18 | ÷ | 640 | = | 0.028125 |
| 19 | ÷ | 640 | = | 0.0296875 |
| 20 | ÷ | 640 | = | 0.03125 |